./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 03:57:36,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 03:57:36,122 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 03:57:36,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 03:57:36,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 03:57:36,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 03:57:36,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 03:57:36,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 03:57:36,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 03:57:36,154 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 03:57:36,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 03:57:36,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 03:57:36,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 03:57:36,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 03:57:36,158 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 03:57:36,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 03:57:36,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 03:57:36,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 03:57:36,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 03:57:36,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 03:57:36,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 03:57:36,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 03:57:36,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 03:57:36,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 03:57:36,161 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 03:57:36,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 03:57:36,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 03:57:36,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 03:57:36,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 03:57:36,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 03:57:36,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 03:57:36,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 03:57:36,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:57:36,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 03:57:36,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 03:57:36,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 03:57:36,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 03:57:36,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 03:57:36,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 03:57:36,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 03:57:36,167 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 03:57:36,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 03:57:36,168 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 [2024-10-11 03:57:36,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 03:57:36,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 03:57:36,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 03:57:36,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 03:57:36,454 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 03:57:36,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i [2024-10-11 03:57:37,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 03:57:38,171 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 03:57:38,172 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i [2024-10-11 03:57:38,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/efded545e/d1adbb2ce54e4ae3a44170a938a665df/FLAGba428c746 [2024-10-11 03:57:38,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/efded545e/d1adbb2ce54e4ae3a44170a938a665df [2024-10-11 03:57:38,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 03:57:38,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 03:57:38,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 03:57:38,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 03:57:38,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 03:57:38,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:38,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7a494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38, skipping insertion in model container [2024-10-11 03:57:38,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:38,302 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 03:57:38,670 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2024-10-11 03:57:38,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:57:38,816 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 03:57:38,852 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2024-10-11 03:57:38,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:57:38,927 INFO L204 MainTranslator]: Completed translation [2024-10-11 03:57:38,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38 WrapperNode [2024-10-11 03:57:38,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 03:57:38,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 03:57:38,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 03:57:38,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 03:57:38,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:38,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,019 INFO L138 Inliner]: procedures = 145, calls = 300, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 455 [2024-10-11 03:57:39,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 03:57:39,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 03:57:39,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 03:57:39,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 03:57:39,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,081 INFO L175 MemorySlicer]: Split 150 memory accesses to 17 slices as follows [2, 5, 13, 8, 8, 29, 21, 7, 7, 9, 7, 13, 5, 6, 5, 5, 0]. 19 percent of accesses are in the largest equivalence class. The 40 initializations are split as follows [2, 0, 0, 3, 3, 9, 9, 3, 3, 3, 3, 0, 0, 2, 0, 0, 0]. The 37 writes are split as follows [0, 1, 1, 2, 2, 11, 6, 2, 2, 2, 2, 1, 1, 2, 1, 1, 0]. [2024-10-11 03:57:39,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 03:57:39,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 03:57:39,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 03:57:39,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 03:57:39,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (1/1) ... [2024-10-11 03:57:39,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:57:39,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:57:39,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 03:57:39,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 03:57:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 03:57:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 03:57:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 03:57:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 03:57:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 03:57:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 03:57:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 03:57:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 03:57:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 03:57:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 03:57:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 03:57:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 03:57:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 03:57:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 03:57:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 03:57:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 03:57:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 03:57:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 03:57:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 03:57:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 03:57:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 03:57:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 03:57:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 03:57:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 03:57:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 03:57:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 03:57:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 03:57:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 03:57:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 03:57:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 03:57:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 03:57:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 03:57:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 03:57:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 03:57:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 03:57:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 03:57:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 03:57:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 03:57:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 03:57:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 03:57:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 03:57:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 03:57:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 03:57:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 03:57:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 03:57:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 03:57:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 03:57:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 03:57:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 03:57:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 03:57:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 03:57:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 03:57:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 03:57:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 03:57:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 03:57:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-10-11 03:57:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-10-11 03:57:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 03:57:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 03:57:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 03:57:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 03:57:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 03:57:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 03:57:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-10-11 03:57:39,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-10-11 03:57:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-11 03:57:39,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-10-11 03:57:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 03:57:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 03:57:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 03:57:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 03:57:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 03:57:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 03:57:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-10-11 03:57:39,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 03:57:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 03:57:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 03:57:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 03:57:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 03:57:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 03:57:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 03:57:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 03:57:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 03:57:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 03:57:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 03:57:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 03:57:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 03:57:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 03:57:39,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 03:57:39,557 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 03:57:39,560 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 03:57:44,223 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-10-11 03:57:44,223 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 03:57:44,276 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 03:57:44,278 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 03:57:44,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:57:44 BoogieIcfgContainer [2024-10-11 03:57:44,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 03:57:44,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 03:57:44,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 03:57:44,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 03:57:44,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:57:38" (1/3) ... [2024-10-11 03:57:44,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb1b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:57:44, skipping insertion in model container [2024-10-11 03:57:44,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:57:38" (2/3) ... [2024-10-11 03:57:44,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb1b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:57:44, skipping insertion in model container [2024-10-11 03:57:44,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:57:44" (3/3) ... [2024-10-11 03:57:44,289 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_dekker.i [2024-10-11 03:57:44,305 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 03:57:44,305 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 03:57:44,370 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 03:57:44,377 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a130cb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 03:57:44,377 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 03:57:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 72 states have internal predecessors, (97), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 03:57:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 03:57:44,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:57:44,395 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:57:44,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:57:44,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:57:44,400 INFO L85 PathProgramCache]: Analyzing trace with hash 405785806, now seen corresponding path program 1 times [2024-10-11 03:57:44,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:57:44,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109415634] [2024-10-11 03:57:44,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:57:44,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:57:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:44,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 03:57:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:57:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 03:57:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:57:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:57:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 03:57:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 03:57:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 03:57:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:57:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:57:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 03:57:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 03:57:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 03:57:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 03:57:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 03:57:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 03:57:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:57:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:57:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:57:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:57:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 03:57:45,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:57:45,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109415634] [2024-10-11 03:57:45,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109415634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:57:45,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:57:45,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 03:57:45,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965291147] [2024-10-11 03:57:45,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:57:45,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 03:57:45,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:57:45,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 03:57:45,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 03:57:45,242 INFO L87 Difference]: Start difference. First operand has 113 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 72 states have internal predecessors, (97), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 03:57:45,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:57:45,312 INFO L93 Difference]: Finished difference Result 225 states and 366 transitions. [2024-10-11 03:57:45,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 03:57:45,315 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-10-11 03:57:45,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:57:45,325 INFO L225 Difference]: With dead ends: 225 [2024-10-11 03:57:45,325 INFO L226 Difference]: Without dead ends: 111 [2024-10-11 03:57:45,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 03:57:45,338 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:57:45,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:57:45,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-11 03:57:45,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-11 03:57:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 70 states have (on average 1.3) internal successors, (91), 70 states have internal predecessors, (91), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 03:57:45,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2024-10-11 03:57:45,454 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 131 [2024-10-11 03:57:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:57:45,455 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2024-10-11 03:57:45,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 03:57:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2024-10-11 03:57:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-10-11 03:57:45,462 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:57:45,463 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:57:45,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 03:57:45,466 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:57:45,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:57:45,466 INFO L85 PathProgramCache]: Analyzing trace with hash 194506872, now seen corresponding path program 1 times [2024-10-11 03:57:45,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:57:45,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904335004] [2024-10-11 03:57:45,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:57:45,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:57:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 03:57:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:57:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 03:57:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:57:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:57:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 03:57:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 03:57:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 03:57:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:57:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:57:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 03:57:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 03:57:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 03:57:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 03:57:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 03:57:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 03:57:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:57:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:57:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:57:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:57:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 03:57:45,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:57:45,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904335004] [2024-10-11 03:57:45,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904335004] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:57:45,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:57:45,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:57:45,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50621183] [2024-10-11 03:57:45,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:57:45,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:57:45,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:57:45,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:57:45,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:57:45,957 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 03:57:46,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:57:46,045 INFO L93 Difference]: Finished difference Result 221 states and 321 transitions. [2024-10-11 03:57:46,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:57:46,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-10-11 03:57:46,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:57:46,049 INFO L225 Difference]: With dead ends: 221 [2024-10-11 03:57:46,050 INFO L226 Difference]: Without dead ends: 114 [2024-10-11 03:57:46,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:57:46,053 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 3 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:57:46,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 309 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:57:46,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-11 03:57:46,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-10-11 03:57:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 71 states have (on average 1.295774647887324) internal successors, (92), 71 states have internal predecessors, (92), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 03:57:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 162 transitions. [2024-10-11 03:57:46,076 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 162 transitions. Word has length 131 [2024-10-11 03:57:46,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:57:46,076 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 162 transitions. [2024-10-11 03:57:46,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 03:57:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2024-10-11 03:57:46,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 03:57:46,081 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:57:46,082 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:57:46,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 03:57:46,082 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:57:46,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:57:46,085 INFO L85 PathProgramCache]: Analyzing trace with hash -835741424, now seen corresponding path program 1 times [2024-10-11 03:57:46,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:57:46,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044043113] [2024-10-11 03:57:46,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:57:46,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:57:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 03:57:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 03:57:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 03:57:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 03:57:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 03:57:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 03:57:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 03:57:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 03:57:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 03:57:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 03:57:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 03:57:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 03:57:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 03:57:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 03:57:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 03:57:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 03:57:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 03:57:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 03:57:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 03:57:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 03:57:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,499 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 03:57:46,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:57:46,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044043113] [2024-10-11 03:57:46,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044043113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:57:46,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:57:46,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:57:46,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931597224] [2024-10-11 03:57:46,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:57:46,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:57:46,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:57:46,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:57:46,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:57:46,503 INFO L87 Difference]: Start difference. First operand 112 states and 162 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 03:57:46,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:57:46,545 INFO L93 Difference]: Finished difference Result 223 states and 324 transitions. [2024-10-11 03:57:46,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:57:46,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2024-10-11 03:57:46,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:57:46,548 INFO L225 Difference]: With dead ends: 223 [2024-10-11 03:57:46,548 INFO L226 Difference]: Without dead ends: 113 [2024-10-11 03:57:46,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:57:46,550 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:57:46,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 312 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:57:46,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-11 03:57:46,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-11 03:57:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 03:57:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2024-10-11 03:57:46,563 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 134 [2024-10-11 03:57:46,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:57:46,564 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2024-10-11 03:57:46,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 03:57:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2024-10-11 03:57:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 03:57:46,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:57:46,568 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:57:46,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 03:57:46,568 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:57:46,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:57:46,569 INFO L85 PathProgramCache]: Analyzing trace with hash -918721409, now seen corresponding path program 1 times [2024-10-11 03:57:46,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:57:46,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153005223] [2024-10-11 03:57:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:57:46,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:57:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 03:57:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-11 03:57:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:57:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:57:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 03:57:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 03:57:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-11 03:57:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 03:57:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 03:57:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 03:57:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 03:57:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 03:57:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 03:57:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 03:57:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 03:57:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 03:57:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 03:57:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 03:57:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 03:57:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-11 03:57:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 03:57:46,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:57:46,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153005223] [2024-10-11 03:57:46,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153005223] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:57:46,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040612643] [2024-10-11 03:57:46,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:57:46,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:57:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:57:46,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:57:46,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 03:57:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:47,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 03:57:47,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:57:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 03:57:47,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:57:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-11 03:57:47,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040612643] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:57:47,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:57:47,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-10-11 03:57:47,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794506023] [2024-10-11 03:57:47,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:57:47,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 03:57:47,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:57:47,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 03:57:47,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:57:47,717 INFO L87 Difference]: Start difference. First operand 113 states and 163 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 03:57:47,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:57:47,786 INFO L93 Difference]: Finished difference Result 226 states and 328 transitions. [2024-10-11 03:57:47,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:57:47,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 135 [2024-10-11 03:57:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:57:47,789 INFO L225 Difference]: With dead ends: 226 [2024-10-11 03:57:47,791 INFO L226 Difference]: Without dead ends: 115 [2024-10-11 03:57:47,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 307 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:57:47,792 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:57:47,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 622 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:57:47,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-11 03:57:47,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-11 03:57:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 74 states have (on average 1.2837837837837838) internal successors, (95), 74 states have internal predecessors, (95), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-11 03:57:47,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2024-10-11 03:57:47,813 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 135 [2024-10-11 03:57:47,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:57:47,813 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2024-10-11 03:57:47,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2024-10-11 03:57:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2024-10-11 03:57:47,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 03:57:47,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:57:47,816 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:57:47,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 03:57:48,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:57:48,019 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:57:48,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:57:48,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1630487905, now seen corresponding path program 2 times [2024-10-11 03:57:48,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:57:48,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366424360] [2024-10-11 03:57:48,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:57:48,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:57:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:57:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 03:57:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 03:57:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 03:57:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 03:57:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 03:57:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 03:57:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:57:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:57:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 03:57:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 03:57:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 03:57:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 03:57:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 03:57:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 03:57:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:57:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:57:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:57:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:57:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:57:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2024-10-11 03:57:48,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:57:48,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366424360] [2024-10-11 03:57:48,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366424360] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:57:48,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568612073] [2024-10-11 03:57:48,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 03:57:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:57:48,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:57:48,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:57:48,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 03:57:48,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-11 03:57:48,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 03:57:48,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 03:57:48,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:57:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2024-10-11 03:57:49,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 03:57:49,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568612073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:57:49,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 03:57:49,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-11 03:57:49,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647879626] [2024-10-11 03:57:49,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:57:49,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 03:57:49,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:57:49,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 03:57:49,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:57:49,106 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 03:57:49,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:57:49,185 INFO L93 Difference]: Finished difference Result 219 states and 320 transitions. [2024-10-11 03:57:49,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 03:57:49,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-10-11 03:57:49,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:57:49,189 INFO L225 Difference]: With dead ends: 219 [2024-10-11 03:57:49,190 INFO L226 Difference]: Without dead ends: 173 [2024-10-11 03:57:49,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:57:49,191 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 82 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:57:49,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 488 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:57:49,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-11 03:57:49,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-10-11 03:57:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 113 states have internal predecessors, (150), 49 states have call successors, (49), 10 states have call predecessors, (49), 10 states have return successors, (53), 49 states have call predecessors, (53), 49 states have call successors, (53) [2024-10-11 03:57:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 252 transitions. [2024-10-11 03:57:49,210 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 252 transitions. Word has length 137 [2024-10-11 03:57:49,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:57:49,210 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 252 transitions. [2024-10-11 03:57:49,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-11 03:57:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 252 transitions. [2024-10-11 03:57:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-11 03:57:49,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:57:49,214 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:57:49,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 03:57:49,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:57:49,418 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:57:49,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:57:49,418 INFO L85 PathProgramCache]: Analyzing trace with hash 423740329, now seen corresponding path program 1 times [2024-10-11 03:57:49,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:57:49,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7971371] [2024-10-11 03:57:49,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:57:49,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:57:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 03:57:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:57:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:57:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:57:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:57:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:57:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:57:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:57:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 03:57:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 03:57:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:57:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:57:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:57:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:57:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 03:57:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 03:57:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:57:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:57:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:57:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:57:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:57:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 03:57:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 03:57:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 03:57:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 03:57:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 03:57:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 03:57:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 03:57:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 03:57:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 03:57:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 03:57:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 03:57:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 03:57:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 03:57:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-10-11 03:57:50,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:57:50,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7971371] [2024-10-11 03:57:50,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7971371] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:57:50,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294101287] [2024-10-11 03:57:50,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:57:50,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:57:50,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:57:50,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:57:50,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 03:57:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:57:50,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 03:57:50,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:57:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-10-11 03:57:50,693 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:57:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-10-11 03:57:50,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294101287] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:57:50,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:57:50,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3, 4] total 10 [2024-10-11 03:57:50,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755783231] [2024-10-11 03:57:50,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:57:50,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 03:57:50,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:57:50,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 03:57:50,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-11 03:57:50,931 INFO L87 Difference]: Start difference. First operand 173 states and 252 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (69), 6 states have call predecessors, (69), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-10-11 03:57:55,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:57:59,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:57:59,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:57:59,968 INFO L93 Difference]: Finished difference Result 358 states and 522 transitions. [2024-10-11 03:57:59,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 03:57:59,968 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (69), 6 states have call predecessors, (69), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 215 [2024-10-11 03:57:59,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:57:59,970 INFO L225 Difference]: With dead ends: 358 [2024-10-11 03:57:59,970 INFO L226 Difference]: Without dead ends: 193 [2024-10-11 03:57:59,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:57:59,972 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 41 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 37 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-10-11 03:57:59,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 482 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 444 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-10-11 03:57:59,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-10-11 03:57:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 189. [2024-10-11 03:57:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 127 states have (on average 1.3070866141732282) internal successors, (166), 129 states have internal predecessors, (166), 49 states have call successors, (49), 10 states have call predecessors, (49), 12 states have return successors, (57), 49 states have call predecessors, (57), 49 states have call successors, (57) [2024-10-11 03:58:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 272 transitions. [2024-10-11 03:58:00,001 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 272 transitions. Word has length 215 [2024-10-11 03:58:00,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:00,001 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 272 transitions. [2024-10-11 03:58:00,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 6 states have internal predecessors, (102), 2 states have call successors, (69), 6 states have call predecessors, (69), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2024-10-11 03:58:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 272 transitions. [2024-10-11 03:58:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-11 03:58:00,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:00,005 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:00,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 03:58:00,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:00,206 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:00,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:00,208 INFO L85 PathProgramCache]: Analyzing trace with hash 830561207, now seen corresponding path program 2 times [2024-10-11 03:58:00,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:00,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402213442] [2024-10-11 03:58:00,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:00,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-11 03:58:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:58:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:58:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:58:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 03:58:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 03:58:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:58:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:58:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:58:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:58:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:58:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:58:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:58:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 03:58:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 03:58:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 03:58:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 03:58:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 03:58:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 03:58:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 03:58:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 03:58:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 03:58:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 03:58:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 03:58:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 03:58:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 03:58:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 03:58:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 03:58:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1319 trivial. 0 not checked. [2024-10-11 03:58:01,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:01,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402213442] [2024-10-11 03:58:01,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402213442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:58:01,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:58:01,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 03:58:01,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314726276] [2024-10-11 03:58:01,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:58:01,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:58:01,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:01,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:58:01,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:58:01,342 INFO L87 Difference]: Start difference. First operand 189 states and 272 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-11 03:58:02,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:06,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:10,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:14,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:16,054 INFO L93 Difference]: Finished difference Result 507 states and 739 transitions. [2024-10-11 03:58:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:58:16,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 227 [2024-10-11 03:58:16,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:16,059 INFO L225 Difference]: With dead ends: 507 [2024-10-11 03:58:16,059 INFO L226 Difference]: Without dead ends: 355 [2024-10-11 03:58:16,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:58:16,061 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 207 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 135 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:16,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 628 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 580 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2024-10-11 03:58:16,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-11 03:58:16,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 345. [2024-10-11 03:58:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 224 states have (on average 1.3080357142857142) internal successors, (293), 229 states have internal predecessors, (293), 95 states have call successors, (95), 20 states have call predecessors, (95), 25 states have return successors, (118), 95 states have call predecessors, (118), 95 states have call successors, (118) [2024-10-11 03:58:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 506 transitions. [2024-10-11 03:58:16,129 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 506 transitions. Word has length 227 [2024-10-11 03:58:16,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:16,129 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 506 transitions. [2024-10-11 03:58:16,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-11 03:58:16,130 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 506 transitions. [2024-10-11 03:58:16,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-11 03:58:16,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:16,135 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:16,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 03:58:16,136 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:16,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:16,136 INFO L85 PathProgramCache]: Analyzing trace with hash 789221143, now seen corresponding path program 1 times [2024-10-11 03:58:16,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:16,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037670512] [2024-10-11 03:58:16,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:16,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:16,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 03:58:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:58:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:58:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:58:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 03:58:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 03:58:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:58:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:58:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:58:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:58:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:58:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:58:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:58:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 03:58:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 03:58:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 03:58:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 03:58:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 03:58:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 03:58:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 03:58:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 03:58:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 03:58:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 03:58:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 03:58:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 03:58:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 03:58:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 03:58:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 03:58:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1319 trivial. 0 not checked. [2024-10-11 03:58:17,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:17,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037670512] [2024-10-11 03:58:17,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037670512] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:58:17,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:58:17,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 03:58:17,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556091537] [2024-10-11 03:58:17,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:58:17,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:58:17,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:17,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:58:17,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:58:17,209 INFO L87 Difference]: Start difference. First operand 345 states and 506 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-11 03:58:21,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:25,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:29,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:31,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:32,342 INFO L93 Difference]: Finished difference Result 631 states and 911 transitions. [2024-10-11 03:58:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:58:32,343 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 227 [2024-10-11 03:58:32,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:32,346 INFO L225 Difference]: With dead ends: 631 [2024-10-11 03:58:32,346 INFO L226 Difference]: Without dead ends: 316 [2024-10-11 03:58:32,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:58:32,348 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 221 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 173 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:32,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 637 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 580 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2024-10-11 03:58:32,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-11 03:58:32,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 308. [2024-10-11 03:58:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 200 states have (on average 1.26) internal successors, (252), 204 states have internal predecessors, (252), 85 states have call successors, (85), 18 states have call predecessors, (85), 22 states have return successors, (99), 85 states have call predecessors, (99), 85 states have call successors, (99) [2024-10-11 03:58:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 436 transitions. [2024-10-11 03:58:32,390 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 436 transitions. Word has length 227 [2024-10-11 03:58:32,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:32,391 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 436 transitions. [2024-10-11 03:58:32,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-11 03:58:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 436 transitions. [2024-10-11 03:58:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-11 03:58:32,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:32,395 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:32,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 03:58:32,395 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:32,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:32,396 INFO L85 PathProgramCache]: Analyzing trace with hash -920679817, now seen corresponding path program 1 times [2024-10-11 03:58:32,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:32,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815244930] [2024-10-11 03:58:32,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:32,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 03:58:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:58:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:58:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:58:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 03:58:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 03:58:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:58:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:58:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:58:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:58:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:58:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:58:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:58:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 03:58:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 03:58:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 03:58:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 03:58:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 03:58:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 03:58:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 03:58:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 03:58:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 03:58:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 03:58:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 03:58:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 03:58:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 03:58:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 03:58:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 03:58:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2024-10-11 03:58:33,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:33,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815244930] [2024-10-11 03:58:33,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815244930] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:58:33,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416097440] [2024-10-11 03:58:33,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:33,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:33,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:58:33,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:58:33,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 03:58:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:34,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 03:58:34,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:58:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-10-11 03:58:34,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 03:58:34,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416097440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:58:34,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 03:58:34,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 17 [2024-10-11 03:58:34,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740899940] [2024-10-11 03:58:34,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:58:34,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:58:34,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:34,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:58:34,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-10-11 03:58:34,516 INFO L87 Difference]: Start difference. First operand 308 states and 436 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-10-11 03:58:35,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:35,359 INFO L93 Difference]: Finished difference Result 808 states and 1141 transitions. [2024-10-11 03:58:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 03:58:35,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 227 [2024-10-11 03:58:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:35,364 INFO L225 Difference]: With dead ends: 808 [2024-10-11 03:58:35,364 INFO L226 Difference]: Without dead ends: 516 [2024-10-11 03:58:35,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2024-10-11 03:58:35,366 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 245 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:35,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 465 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 03:58:35,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-10-11 03:58:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 503. [2024-10-11 03:58:35,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 320 states have (on average 1.18125) internal successors, (378), 322 states have internal predecessors, (378), 142 states have call successors, (142), 31 states have call predecessors, (142), 40 states have return successors, (174), 149 states have call predecessors, (174), 142 states have call successors, (174) [2024-10-11 03:58:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 694 transitions. [2024-10-11 03:58:35,452 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 694 transitions. Word has length 227 [2024-10-11 03:58:35,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:35,454 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 694 transitions. [2024-10-11 03:58:35,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-10-11 03:58:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 694 transitions. [2024-10-11 03:58:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-11 03:58:35,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:35,459 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:35,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 03:58:35,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-11 03:58:35,660 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:35,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1588884217, now seen corresponding path program 1 times [2024-10-11 03:58:35,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:35,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158321552] [2024-10-11 03:58:35,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:35,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 03:58:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:58:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:58:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:58:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 03:58:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 03:58:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:58:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:58:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:58:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:58:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:58:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:58:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:58:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 03:58:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 03:58:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 03:58:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 03:58:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 03:58:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 03:58:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 03:58:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 03:58:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 03:58:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 03:58:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 03:58:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 03:58:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 03:58:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 03:58:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 03:58:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:36,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2024-10-11 03:58:36,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:36,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158321552] [2024-10-11 03:58:36,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158321552] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:58:36,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975047838] [2024-10-11 03:58:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:36,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:36,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:58:36,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:58:36,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 03:58:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:37,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-11 03:58:37,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:58:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 400 proven. 4 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2024-10-11 03:58:37,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 03:58:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1315 trivial. 0 not checked. [2024-10-11 03:58:38,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975047838] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 03:58:38,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 03:58:38,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 5] total 16 [2024-10-11 03:58:38,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021001313] [2024-10-11 03:58:38,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 03:58:38,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-11 03:58:38,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:58:38,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-11 03:58:38,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-10-11 03:58:38,186 INFO L87 Difference]: Start difference. First operand 503 states and 694 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 9 states have call successors, (63), 8 states have call predecessors, (63), 7 states have return successors, (61), 7 states have call predecessors, (61), 9 states have call successors, (61) [2024-10-11 03:58:42,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:46,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:50,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 03:58:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:58:52,218 INFO L93 Difference]: Finished difference Result 1010 states and 1422 transitions. [2024-10-11 03:58:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 03:58:52,218 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 9 states have call successors, (63), 8 states have call predecessors, (63), 7 states have return successors, (61), 7 states have call predecessors, (61), 9 states have call successors, (61) Word has length 227 [2024-10-11 03:58:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:58:52,222 INFO L225 Difference]: With dead ends: 1010 [2024-10-11 03:58:52,222 INFO L226 Difference]: Without dead ends: 546 [2024-10-11 03:58:52,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-10-11 03:58:52,225 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 261 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 141 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:58:52,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 689 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 814 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2024-10-11 03:58:52,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-10-11 03:58:52,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 525. [2024-10-11 03:58:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 343 states have (on average 1.2215743440233235) internal successors, (419), 343 states have internal predecessors, (419), 126 states have call successors, (126), 44 states have call predecessors, (126), 55 states have return successors, (180), 137 states have call predecessors, (180), 126 states have call successors, (180) [2024-10-11 03:58:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 725 transitions. [2024-10-11 03:58:52,281 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 725 transitions. Word has length 227 [2024-10-11 03:58:52,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:58:52,282 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 725 transitions. [2024-10-11 03:58:52,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 9 states have call successors, (63), 8 states have call predecessors, (63), 7 states have return successors, (61), 7 states have call predecessors, (61), 9 states have call successors, (61) [2024-10-11 03:58:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 725 transitions. [2024-10-11 03:58:52,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-11 03:58:52,286 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:58:52,286 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 9, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:58:52,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 03:58:52,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-11 03:58:52,487 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 03:58:52,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:58:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1204573957, now seen corresponding path program 1 times [2024-10-11 03:58:52,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:58:52,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412981199] [2024-10-11 03:58:52,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:52,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:58:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:54,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-11 03:58:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:54,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:54,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:54,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 03:58:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:54,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:54,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 03:58:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 03:58:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 03:58:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 03:58:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 03:58:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 03:58:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 03:58:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 03:58:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 03:58:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 03:58:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 03:58:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 03:58:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 03:58:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 03:58:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 03:58:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 03:58:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 03:58:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-11 03:58:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-11 03:58:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 03:58:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 03:58:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 03:58:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 03:58:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-11 03:58:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 03:58:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 03:58:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 03:58:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2024-10-11 03:58:55,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:58:55,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412981199] [2024-10-11 03:58:55,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412981199] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 03:58:55,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003724305] [2024-10-11 03:58:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:58:55,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 03:58:55,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:58:55,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 03:58:55,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 03:58:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:58:56,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-11 03:58:56,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 03:58:56,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-11 03:58:57,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 03:58:57,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 03:58:57,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 48 [2024-10-11 03:58:59,862 INFO L349 Elim1Store]: treesize reduction 64, result has 54.9 percent of original size [2024-10-11 03:58:59,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 104